The marsh hair moss is the largest moss in the UK. Look out for it in damp woodland and on boggy heathlands where it forms large, green and spikey 'cushions'.

This beautiful butterfly is one of our rarest, now mostly restricted to the western parts of the UK.

Europe's largest frog is not naturally found in the UK, but was introduced to Kent and has spread throughout the southeast.

The lime hawk-moth is a large, night-flying moth that can be seen from May to July in gardens, parks and woods. It is buff-coloured, with green patches on its scalloped-edged wings.

The elephant hawk-moth is a pretty, gold-and-pink moth that can be seen at dusk in gardens, parks, woods and grassy habitats. The caterpillars look like elephant's trunks and have eyespots to…

This bumpy shell lives up to its name and lives partly buried in the seabed along the west coast of Great Britain.

Look for wood avens along hedgerows and in woodlands. Its yellow flowers appear in spring and provide nectar for insects; later, they turn to red, hooked seedheads that can easily stick to a…